JXR Type (Crossed Tapered Roller Bearing)

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JXR Type (Crossed Tapered Roller Bearing)

This bearing features two sets of raceways and rollers combined at right angles, with the rollers arranged in an alternating, crisscross pattern. The cross-sectional height of the bearing is similar to that of a single-row bearing structure, thus saving installation space and housing material. The large taper angle and tapered geometric design allow the overall bearing system to effectively manage a span that is several times the width of the bearing itself. The crossed tapered rollers are capable of accommodating high overturning moments (tilting torque).

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Structural Features
The JXR type offers a compact structure, high rigidity, and high precision. It is capable of simultaneously carrying radial load, axial load, and overturning moment (tilting moment). Additionally, it boasts the advantages of high rotation speed capability and saving space and material. These characteristics make it an ideal choice for precision applications such as high-speed vertical grinding machines, machine tool rotary tables, and industrial robots.

Application Scope
Suitable for use in machine tools, including vertical drilling machines and grinding machine tables, precision circular indexing tables, large roller systems, turntables (rotary platforms), and industrial robots, among others.

Bearing Type lnner Diameter Outside Diameter Width Chamfer Basic load rating(radial) Basic load rating(Axial) Limited Speed Weight
d D H    R KN KN r/min kg
JXR637050 300  400  37    1.5  63  80.1  720  13 
JXR652050 310  425  45    2.5  82.2  102  640  20 
JXR699050 370  495  50    3.0  93.6  119  600  30 
XR496051 203.2  279.4  31.75    1.5  51.3  61.6  800  6.5 
XR678052 330.2  457.2  63.5    3.3  100  123  620  35 
XR766051 457.2  609.6  63.5    3.3  141  178  520  51 
XR820060 580  760  80    6.4  215  234  300  100 
XR855053 685.8  914.4  79.375    3.3  270  344  260  150 
XR882055 901.7  1117.6  82.55    3.3  300  396  200  185 
XR889058 1028.7  1327.15  109.22    3.3  405  534  160  400 
XR897051 1549.4  1828.8  101.6    3.3  518  699  80  500 

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About UKL
Founded in 2020, UKL Bearing Manufacturing Co., Ltd. (Wuxi) is China JXR Type (Crossed Tapered Roller Bearing) suppliers and OEM/ODM JXR Type (Crossed Tapered Roller Bearing) company, an integrated industrial and trading enterprise that focuses on precision manufacturing, combining R&D, production, and sales.
The company specializes in high-performance bearing solutions, providing technical support for global industries with exceptionally high demands for precision and reliability.

With more than 200 skilled professionals and a fully modernized production base, UKL’s facilities cover the entire manufacturing process — forging, annealing, turning, heat treatment, grinding, and automated assembly.
Leveraging over 15 years of OEM/ODM export experience, UKL responds quickly to customer needs, offering flexible and customized services for clients across Europe, Asia, Africa, and the Middle East.

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